add example

Signed-off-by: Dylan Schlager <[email protected]>

Author: schlags

examples/traefik-header-based/README.md

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+apiVersion: v1
+kind: Service
+metadata:
+  name: argo-rollouts-canary-service
+spec:
+  ports:
+    - port: 80
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    app: rollouts-demo

examples/traefik-header-based/canary.yml

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+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: gateway-admin-rollouts
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: gateway-controller-role
+subjects:
+  - namespace: argo-rollouts
+    kind: ServiceAccount
+    name: argo-rollouts

examples/traefik-header-based/cluster-role-binding.yml

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+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: gateway-controller-role
+  namespace: argo-rollouts
+rules:
+  - apiGroups:
+      - "*"
+    resources:
+      - "*"
+    verbs:
+      - "*"

examples/traefik-header-based/cluster-role.yml

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+apiVersion: gateway.networking.k8s.io/v1
+kind: Gateway
+metadata:
+  name: traefik-gateway
+spec:
+  gatewayClassName: traefik
+  listeners:
+    - protocol: HTTP
+      name: web
+      port: 8000 # Default endpoint for Helm chart

examples/traefik-header-based/gateway.yml

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+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: argo-rollouts-http-route
+spec:
+  parentRefs:
+    - name: traefik-gateway
+      namespace: default
+  rules:
+    - backendRefs:
+        - name: argo-rollouts-stable-service
+          port: 80
+        - name: argo-rollouts-canary-service
+          port: 80

examples/traefik-header-based/httproute.yml

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+apiVersion: argoproj.io/v1alpha1
+kind: Rollout
+metadata:
+  name: rollouts-demo
+spec:
+  replicas: 5
+  strategy:
+    canary:
+      canaryService: argo-rollouts-canary-service # our created canary service
+      stableService: argo-rollouts-stable-service # our created stable service
+      trafficRouting:
+        managedRoutes:
+          - name: rollouts-demo-canary-internal
+          - name: rollouts-demo-canary-beta-customers
+        plugins:
+          argoproj-labs/gatewayAPI:
+            httpRoutes:
+              - name: argo-rollouts-http-route # our created httproute
+                useHeaderRoutes: true
+            namespace: default # namespace where this rollout resides
+      steps:
+        - setCanaryScale:
+            weight: 1 # Scale pods equivalent to 1% of the total number of pods
+        - setHeaderRoute:
+            match:
+              - headerName: X-Canary-Candidate
+                headerValue:
+                  exact: internal
+            name: rollouts-demo-canary-internal
+        - pause: {} # Run synthetics tests or manual validation from internal users
+        - setHeaderRoute:
+            match:
+              - headerName: X-Canary-Candidate
+                headerValue:
+                  exact: beta-customers
+            name: rollouts-demo-canary-beta-customers
+        - pause: {} # Run analysis or manual validation from beta customers
+        - setCanaryScale:
+            weight: 30 # Prepare for real customer traffic
+        - setWeight: 30
+        - setCanaryScale:
+            matchTrafficWeight: true # Allow pods to scale with setWeight steps
+        - pause: { duration: 10 }
+        - setWeight: 40
+        - pause: { duration: 10 }
+        - setWeight: 60
+        - pause: { duration: 10 }
+        - setWeight: 80
+        - pause: { duration: 10 }
+        - setWeight: 100
+        - setHeaderRoute:
+            name: rollouts-demo-canary-internal # Remove internal traffic route
+        - setHeaderRoute:
+            name: rollouts-demo-canary-beta-customers # Remove beta-customers traffic route
+        - pause: {} # Final sanity check on 100% traffic
+  revisionHistoryLimit: 2
+  selector:
+    matchLabels:
+      app: rollouts-demo
+  template:
+    metadata:
+      labels:
+        app: rollouts-demo
+    spec:
+      containers:
+        - name: rollouts-demo
+          image: argoproj/rollouts-demo:red
+          ports:
+            - name: http
+              containerPort: 8080
+              protocol: TCP
+          resources:
+            requests:
+              memory: 32Mi
+              cpu: 5m

examples/traefik-header-based/rollout.yml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: argo-rollouts-stable-service
+spec:
+  ports:
+    - port: 80
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    app: rollouts-demo